2026年5月14日 / 美国东部时间上午7:50 / 哥伦比亚广播公司/美联社
佳士得拍卖行表示，一颗5.5克拉三角切工、被宣传为已知存在的最大颗艳彩蓝绿色钻石于周三以1730万美元价格售出，创下同类钻石拍卖成交价纪录。
这颗名为“海洋之梦”的钻石是该拍卖行日内瓦珠宝拍卖会上的明星拍品，于上世纪90年代在中非被发现。最终成交价远超700万至1000万瑞士法郎（约合900万至1300万美元）的预估价。
佳士得亚太区总裁拉胡尔·卡达基亚表示，买家为一位不愿透露姓名的私人客户，这颗钻石的拍卖耗时约20分钟，表明市场关注度极高。
该成交价是2014年佳士得拍卖会上该宝石成交价的两倍多——2003年它曾作为稀有彩钻之一亮相史密森尼钻石之美展览，2014年的拍卖成交价约为850万美元。
在线珠宝商77 Diamonds的董事总经理托比亚斯·科明德在一份声明中表示：“这一卓越成交价配得上世界最稀有蓝绿色钻石的身份。”
2026年5月7日周四，在瑞士日内瓦佳士得拍卖行，一名工作人员展示这颗重达5.50克拉的最大颗艳彩蓝绿色钻石“海洋之梦”。让-克里斯托夫·博特 / 美联社
据佳士得介绍，“海洋之梦”重9.4克，搭配的戒托镶嵌有雕刻水晶、圆形钻石和粉钻。
周二，苏富比日内瓦拍卖会上一颗6克拉的艳彩蓝钻流拍。
该拍卖行表示，这颗采自南非著名库里南矿的稀有钻石预估价为720万至960万瑞士法郎（920万至1230万美元）。
苏富比在一份声明中称：“尽管该钻石在本次拍卖中未能找到买家，但我们目前已与多位意向买家展开洽谈，相信它很快就能觅得新主人。”
两家拍卖行均表示，收藏家们对稀有彩钻的兴趣与日俱增，而这类钻石仅占全球开采钻石总量的极小一部分。
多年来，佳士得和苏富比都曾拍出过备受瞩目的钻石。
2023年，一颗重达17.61克拉的极其罕见的蓝钻在佳士得日内瓦拍卖会上以4380万美元成交。2018年，该拍卖行将“粉色遗产”钻石拍出了5000多万美元的价格。
拍卖史上成交价最高的钻石是“粉星”——这颗59.60克拉的艳彩粉钻于2017年在香港苏富比拍卖会上以7120万美元成交。
Blue-green diamond called the “world’s rarest” sells for record $17.3 million at auction
May 14, 2026 / 7:50 AM EDT / CBS/AP
A 5.5-carat triangular-cut diamond billed as the largest fancy vivid blue-green diamond known to exist sold for $17.3 million on Wednesday, Christie’s said, calling it a record price for a stone of its kind sold at auction.
The “Ocean Dream,” the standout offer at the auction house’s Geneva sale of jewelry, was found in Central Africa in the 1990s. The price easily topped the presale estimate to fetch 7-10 million francs (around $9-13 million).
Rahul Kadakia, president of Christie’s Asia Pacific, said that an unspecified private client was the buyer, and the stone took about 20 minutes to sell – an indication that interest was high.
The price was more than double that of the roughly $8.5 million that the gem, which was featured among rare colored diamonds at the Smithsonian Splendour of Diamonds Exhibition in 2003, sold for at Christie’s in 2014.
“A stellar result worthy of the world’s rarest blue-green diamond,” Tobias Kormind, managing director of online jeweler 77 Diamonds, said in a statement.
A Christie’s employee displays “The Ocean Dream,” the largest fancy vivid blue-green diamond, weighting 5.50 carats, at Christie’s in Geneva, Switzerland, Thursday, May 7, 2026. Jean-Christophe Bott / AP
According to Christie’s, the “Ocean Dream” weighs 9.4 grams and has an additional ring mount set with sculpted rock crystal, round diamonds and pink diamonds.
On Tuesday, a 6-carat fancy vivid blue diamond at a Geneva auction at Sotheby’s didn’t sell.
The auction house said that the rare stone unearthed from South Africa’s famed Cullinan mine had come in with a presale estimate of 7.2 million to 9.6 million francs ($9.2 million to $12.3 million).
“Although the diamond didn’t find a buyer during the auction, we are now in conversations with several interested parties and are confident that it will find a new home soon,” Sotheby’s said in a statement.
Both houses say collectors are increasingly drawn to rare, colored diamonds, which make up only a fraction of all the diamonds mined around the world.
Christie’s and Soteby’s have auctioned off high-profile diamonds over the years.
In 2023, an exceptionally rare blue diamond weighing 17.61 carats sold for $43.8 million at a Christie’s auction in Geneva. In 2018, the auction house sold the “Pink Legacy” diamond for more than $50 million.
The most expensive diamond ever sold at auction was the Pink Star, a 59.60-carat fancy vivid pink diamond that fetched $71.2 million at a Sotheby’s auction in Hong Kong in 2017.
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